diff --git a/scripts/uberenv/project.json b/scripts/uberenv/project.json
index 6a8ca073..9a5226c3 100644
--- a/scripts/uberenv/project.json
+++ b/scripts/uberenv/project.json
@@ -2,7 +2,7 @@
 "package_name" : "dray",
 "uberenv_package_name" : "uberenv-dray",
 "spack_url": "https://github.com/alpine-DAV/spack",
-"spack_branch": "task/2019_11_update_ascent",
+"spack_branch": "ascent/develop",
 "spack_activate" : { "py-numpy"  : ["+python"],
                      "py-pip"    : ["+python"],
                      "py-mpi4py" : ["+python", "+mpi"],